China did this with Rare Earth Minerals, and put most other mines out of business: https://www.energy.gov/sites/prod/files/2020/04/f73/Critical%20Materials%20S

China did this with Rare Earth Minerals, and put most other mines out of business: https://www.energy.gov/sites/prod/files/2020/04/f73/Critical%20Materials%20Supply%20Chain%20White%20Paper%20April%202020.pdf https://www.energy.gov/sites/prod/files/2020/04/f73/Critical...